Beat egg whites until stiff peaks form. Gradually Add first measure of sugar, 1 tablespoon at a time. Beating until sugar dissolvew before adding next tablespoon. In a sperate bowl beat egg yolks and second measure of sugar until thick and pale. Add vanilla. Gently fold yolk mixture into egg white mixture. In another bowl beat cream until thick then fold into egg mixture. In another bowl puree peaches and add cream. Mix well. Add Peach mixture to egg mixture. Pour Mixture into a shallow container suitable for freezing. Freeze for several hours.